Due to Lisa's parents pulling some strings, the gang land summer jobs at Malibu Sands beach club, but Zack soon clashes with the owner Leon Carosi, and his initially abrasive daughter, Stacey.

Zack bets Carosi that if he wins a volley ball game, Zack can buy Carosi's car. But Zack's team seems to be short handed when the star player is injured.

Malibu Sands is preparing to hold the annual Miss Liberty beauty pageant, and Zack, one of the judges, is pressured by Mr. Carosi to rig the competition in Stacey's favor.

Zack and Stacey's relationship is going well until Stacey's boyfriend from Boston, Craig, surprises her at the beach club, leaving Zack devastated. Also, it's the annual ATV race and the gang decides to participate in it.

Stacey is left in charge when her father is away. Everyone is pitching in to help her, but gold fever hits the beach, someone accidentally booked two parties at the same time, and the chefs decide to go on strike.

It's the last day at the beach resort. Zack and Stacey are hoping to have one last time together, but Mr. Carosi doesn't approve of their romance. Meanwhile, a secret admirer is sending Slater some love letters.

Zack, Slater, Screech and Lisa reminisce about their summer working at Malibu Sands beach club and attending Jessie's father's wedding in Palm Desert.